Aggregate wind farm output growing, but intermittency still remains
A more detailed look at how the percentage of energy supplied in the NEM from wind has risen to be 3.5% on an annual basis - though the...
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Who was the winner of our competition for LinkingIn to WattClarity?
Rather than just drawing a lucky winner out of a hat, or using a random number generator, someone suggested we take a different approach - and here are...
Performance of wind farms, to date in 2013
Here's a view of how daily wind farm production (by region, and NEM-wide) has trended over the 2013 calendar year to date - the correlation of output on...
Queensland lunchtime demand slips away….
Today (Wednesday 24th July) we note how the Queensland lunchtime electricity demand is stuck in the blue zone - the uptake of solar PV, and a sunny day...
Daily wind generation does not seem to be close to 90% of South Australia’s supplies–are we missing something?
Wind generation on some days in the past 2 weeks supplied a big percentage of SA demand - but not (on a daily basis, at least) near the...
Animation of several hours over the evening of Saturday 12th January 2013 in Queensland
Here's another animated case study of one more interesting time that occurred through summer 2013 in Queensland - on this occasion the evening of Saturday 12th January 2013.
Quick quiz – how many do you get right, about what happened in the Queensland Region over summer 2013?
Five thought-provoking questions about what really happened in Queensland over summer 2013 - and the supplementary question about what it all means for the future.
Revisiting 2nd January 2013 in Queensland – to illustrate the interaction of rebidding and constraints
Beginning prior to 7am and progressing through the morning of Wednesday 2nd January 2013, there was significant volatility in the Queensland region of the National Electricity Market -...
Wild price gyrations in Victoria (and elsewhere) today following a station trip at Yallourn
An animation of 90 minutes this morning where the price gyrated wildly in response to a trip at Yallourn, and numerous subsequent reactions by market participants and the...
Chilly winter evenings show demand has declined for various reasons – not just solar PV
A cold evening in the NEM, and yet demand can't make it past 30,000MW - which would have been quite startling 4 or 5 years ago (but not...
SA summary for Thursday, compared to the preceding week
Following from a period of elevated prices in South Australia, prices dropped on Thursday. Here's some reasons why...
7-day South Australian overview (Thu 30 May to Wed 5 June)
Spot Prices in South Australia were elevated over the past 7 days - here are some reasons why.
Queenslanders boil (the kettle) during Origin loss
It appears, from this high-level analysis, that events in the State of Origin mapped to changes in electricity demand across Brisbane last night.
Prices yo-yo in SA this morning, as installed capacity goes missing
Following yesterday’s warnings about the potential for a tight supply/demand balance in South Australia this week, it was not really a surprise when the SMS alerts from NEM-Watch...
Load shed warning (LOR3) issued by AEMO for Tuesday in South Australia
It's not looking that great, currently, for the supply/demand balance in South Australia this week - when viewing predispatch, ST PASA and AEMO's Market Notices
Winter 2013 in the NEM
A collection of analysis, observations and commentary about what we see (and have time to comment on) in terms of winter 2013 in Australia’s National Electricity Market
The return of the evening price spikes as the winter demand shape arrives a little early
The distinctive winter demand shape returns - and with it comes the evening peaks in prices (even on a Sunday).
Estimating Hedge Levels
In my third post, I look at hedge levels - and how to infer them. Hedge levels will, to a large extend, define bidding behaviour unless there are...
A chilly autumn morning drives demand higher in Tasmania
Tasmania shivers this morning, driving electricity demand higher
Why are we completing this extensive review of what happened over a very volatile summer in QLD – and why, and what the future implications might be?
Why are we investing significant time in completing this review of what was remarkable price volatility in QLD over summer? We're primarily a software company that develops shrink-wrapped...